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Using substitution what is the value for x for the equations 2x+y=-3 and

y=4x+6? *

X3

x=3/2

O

x=0

+1
Answers (1)
  1. 30 June, 16:57
    0
    Answer: x = - 3/2

    Explanation:

    Hi, to answer this question we have to solve the system of equations:

    2x + y = -3

    y=4x+6

    Substituting y=4x+6 in the first equation:

    2x + (4x+6) = -3

    Solving for x:

    2x + 4x+6 = -3

    2x+4x = -3-6

    6x = -9

    x = -9/6

    x = - 3/2

    In conclusión, the value of x is - 3/2.

    Feel free to ask for more if needed or if you did not understand something.
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